JL
John Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this John Lewis across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Cecil & Arthur — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Lewis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Stock Clerk |
| Industry | Library |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 240 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Stock Clerk |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1917 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Lewis | Daughter | — | 19 | ~1921 |
| Cecil Lewis | Head | — | 48 | ~1892 |
| Robert Graham | Other | — | 20 | ~1920 |
| John Lewis | Son | — | 23 | ~1917 |
| Alice Lewis | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Marion, Indiana
Son, age 3
Marion, Indiana · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 13
Marion, Indiana · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | John M. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 23
Marion-County, Indiana · implied b. ~1917 — 5 household members
| Surname | Lewis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Occupation | Stock Clerk |
| Industry | Library |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 240 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Cecil Lewis (~0.92 confidence) and father Arthur Lewis (~0.92 confidence) and mother Alice Lewis (~0.92 confidence) and mother Florence Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cecil Lewis
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Arthur Lewis
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Alice Lewis
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Florence Lewis
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lewis
Son · 1940 · age 23 · b. ~1917 · Indiana
★ You are viewing this record
Sibling
Elizabeth Lewis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01130-00573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alvena Mcelhiney | 23 | Wife | 0 | Ohio |
| 2 | 4 End Of Block | None | regina block 5 | — | — |
| 3 | Bertha M Partlow | 64 | Head | Clerk | Illinois |
| 4 | Charles R Partlow | 29 | Head | Laborer | Indiana |
| 5 | Cecelia Partlow | 26 | Wife | — | Indiana |
| 6 | Vera Partlow | 5 | Daughter | 0 | Indiana |
| 7 | Thelma Partlow | 4 | Daughter | 0 | Indiana |
| 8 | Virginia Partlow | 2 | Daughter | 0 | Indiana |
| 9 | Ronald Partlow | 1 | Son | 0 | Indiana |
| 10 | George O Mccloud | 53 | Head | Car Letterer | Indiana |
| 11 | Eva Mccloud | 41 | Wife | — | Kentucky |
| 12 | Glenn Mccloud | 16 | Son | Helper | Illinois |
| 13 | Marion Mccloud | 15 | Daughter | — | Indiana |
| 14 | Dorthy Mccloud | 8 | Daughter | — | Indiana |
| 15 | Jerry Mccloud | 5 | Son | 0 | Indiana |
| 16 | Elizabeth Lukins | 61 | Head | — | Kentucky |
| 17 | Samuel Lukins | 27 | Son | Accountant | Kentucky |
| 18 | Nellie Dixon | 63 | Sister | — | Kentucky |
| 19 | Eugene Payne | 26 | Roomer | Grinder | Iowa |
| 20 | Kendrix Kelly | 35 | Roomer | Machinist | Kentucky |
| 21 | Charles Bartels | 23 | Roomer | Heat Treater | Michigan |
| 22 | Charles Weevie | 48 | Head | Laborer | Indiana |
| 23 | Minnie Weevie | 49 | Wife | — | Indiana |
| 24 | Melba Weevie | 16 | Daughter | — | Indiana |
| 25 | Gloria Weevie | 10 | Daughter | 0 | Indiana |
| 26 | Andy Herald | 49 | Head | Laborer | Kentucky |
| 27 | Bessie Herald | 46 | Wife | — | Kentucky |
| 28 | Cecil F Lewis | 48 | Head | Pressman | Indiana |
| 29 | Alice Lewis | 46 | Wife | Press Operator | Indiana |
| 30 | John Lewis THIS PERSON | 23 | Son | Stock Clerk | Indiana |
| 31 | Elizabeth Lewis | 19 | Daughter | Clay Wrapper | Indiana |
| 32 | Robert Graham | 20 | Boarder | Billing Clerk | Indiana |
| 33 | William Hopkins | 22 | Head | Machinist | Indiana |
| 34 | Marion Hopkins | 20 | Wife | 0 | Indiana |
| 35 | William Jr Hopkins | 0 | Son | 0 | Indiana |
| 36 | Lee Dewitt | 49 | Head | Tester | Indiana |
| 37 | Hazel Dewitt | 40 | Wife | — | Indiana |
| 38 | Bernard Dewitt | 19 | Son | Social Worker | Indiana |
| 39 | Lorretta Dewitt | 18 | Daughter | — | Indiana |
| 40 | Gerald Dewitt | 16 | Son | 0 | Indiana |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)